The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 08, 2013
Filed:
Sep. 27, 2011
Applicants:
Timothy Dinh Truong, Pearland, TX (US);
Zhihui Gu, Houston, TX (US);
Puneet Gupta, Houston, TX (US);
Inventors:
Timothy Dinh Truong, Pearland, TX (US);
Zhihui Gu, Houston, TX (US);
Puneet Gupta, Houston, TX (US);
Assignee:
MEMC Electronic Materials, Inc., St. Peters, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 3/14 (2006.01); C01B 33/04 (2006.01); F25J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processes and systems for purifying silane-containing streams are disclosed with relatively less silane being lost in impurity streams by use of distillation and/or condensation operations.